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olasank [31]
3 years ago
5

What is the picture for ?

Chemistry
1 answer:
ASHA 777 [7]3 years ago
6 0

Answer:concentration

Explanation:

In the first, the particles are much more concentrated, or close together, than in the second, where the particles are much more sparse.

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Chemical property can be referred to as a reaction into which a substance is changed
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Which value of x from the set {4, 5, 6, 7), makes this equation true?
irina [24]
C and d is the answer
3 0
3 years ago
Read 2 more answers
Help me answer this question please?
Tema [17]

Answer:

I think D

Explanation:

Ok, I'm not sure but it sounds right ish you should check a practice video or something. It might also be B or C but im pretty certain it isnt A just ask yourself is the student measuring it in newtons? Is that important in the process? What about if the student is considering the affect of mass is it important? Good luck srry if im not much of help! If this is like A SUPER IMPORTANT TEST OR SOMETHING RLLLLLLLY IMPORTANT just wait for another answer gl!

5 0
3 years ago
Select all the statements that correctly describe a solution. Multiple select question.
motikmotik

Answer:

B, D, C

Explanation:

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8 0
2 years ago
Please show work:<br> Question below
ozzi

Answer:

b) 2.0 mol

Explanation:

Given data:

Number of moles of Ca needed = ?

Number of moles of water present = 4.0 mol

Solution:

Chemical equation:

Ca + 2H₂O     →      Ca(OH)₂ + H₂

now we will compare the moles of Ca and H₂O .

                          H₂O        :        Ca                

                             2           :        1

                             4.0           :       1/2×4.0 = 2.0 mol

Thus, 2 moles of Ca are needed.      

         

3 0
2 years ago
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